A South Korean official checks the status of the diplomatic phone line used to speak with North Korea. Photo: South Korean Unification Ministry via Getty Images

North Korea and South Korea spoke directly today on a phone line that hadn't been used since 2016, per CNN. The rare diplomatic contact — initiated by the North — comes after North Korean leader Kim Jong-un expressed a desire for his country's athletes to take part in next month's Winter Olympics in Pyeongchang, South Korea.

Why it matters: Any contact between the two nations is a positive sign, especially after a war of words on Twitter that featured President Trump threatening a nuclear exchange against the North. This development plays into South Korean President Moon Jae-in's hope that the Pyeongchang Games could bring about positive movements toward peace between the two Koreas.

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Updated 10 mins ago - Politics & Policy

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Venezuelan opposition politician Leopoldo López outside the Spanish embassy in Caracas, in 2019. Photo: Juan Barreto/AFP via Getty Images

Leopoldo López, a former political prisoner and prominent Venezuelan opposition leader, has left the country, his Popular Will party confirmed in a statement Saturday.

Why it matters: He's been an influential force in the push to oust President Nicolás Maduro's regime and a mentor to opposition leader Juan Guaidó. He'd been in the Spanish ambassador's Caracas residence since escaping house arrest in April 2019 following a failed military uprising.

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Campaigning for Joe Biden at a car rally in Miami on Saturday, Barack Obama railed against President Trump's response to the coronavirus pandemic, saying "the rest of us have to live with the consequences of what he's done."

Driving the news: With less than two weeks before the election, the Biden campaign is drawing on the former president's popularity with Democrats to drive turnout and motivate voters.